RECORDAIRE
Filed: March 16, 1992
four-channel user-definable computer-interfaced datalogger
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74255704
GUARDIAQ
Filed: July 20, 1992
instrument that simultaneously measures temperature, absolute humidity, and carbon dioxide concentration
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74295364
FIRE ALERT
Filed: November 6, 1992
fire and smoke detectors
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74328855
FIRE SMART
Filed: December 21, 1992
electronic instrument for detection of carbon dioxide resulting from fire
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74341292
SURE FIRE
Filed: March 29, 1993
electronic device for detecting the carbon dioxide and smoke produced by a fire
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74372939
NOX-STAT
Filed: June 25, 1993
electronic digital gauges for monitoring the concentration of nitrogen oxides present in indoor air
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74405684
N2O-STAT
Filed: July 6, 1993
monitors for measuring the concentration of nitrous oxide present in air in industrial applications
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74408731
EOS
Filed: July 6, 1993
monitors for measuring the concentration of ethylene oxide in industrial applications
Owned by: GAZTECH INTERNATIONAL CORPORATION
Serial Number: 74408732
